{"last_modified": {"type": "/type/datetime", "value": "2010-12-06T06:23:38.908538"}, "title": "A manual of the slide rule", "created": {"type": "/type/datetime", "value": "2009-12-10T19:11:02.154667"}, "subjects": ["Slide-rule"], "latest_revision": 2, "key": "/works/OL6443294W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1708396A"}}], "type": {"key": "/type/work"}, "revision": 2}